Seamless Shaped Steel Tubes

Seamless Shaped Steel Tubes

As an industry-leading supplier of cold drawn seamless and DOM-ERW carbon and alloy steel tubing known for its reliability, durability, and exceptional quality,Baosheng specializes in sourcing irregular, hard-to-manufacture shapes and sizes – the type of tubing that demands high-quality craftsmanship and creative engineering and ingenuity to produce. Through our extensive network of carefully selected mill suppliers, we are capable of inventorying and fulfilling your entire custom tubing requirements.

In addition to standard and specialty shapes such as hexagon/round cloverleaf, streamline, and lemon, we have the capacity to provide non-standard tubing with unusual, intricate, and complex profiles, sized to meet your particular/proprietary design specifications. Our extensive resources give us direct access to a diverse range of high quality steel and steel alloys, which enables us to meet any unique requirement as well as ASTM, DIN, EN, SAE, and other relevant industry standard. Our decades of experience and deep knowledge of modern tube forming processes provide you with the best opportunity to receive the finest tubing available for your most challenging application.  Contact us today to learn more about how our specialty shape tubing can benefit your next application.


1. Product Description /Specifications

Production RangeOuter Diameter:12.00-120.00mm
Wall Thickness:1.00-8.00mm
Material / GradeCarbon Steel:

GB/T 3094: 10#, 20#, 35#, 45#, 55#, Q235B, Q235C, CF53, A105

ASTM A519: 1010, 1020, 1026, 1035, 1045, 1050

DIN17121/EN 10297-1, DIN1629/DIN2391/EN 10305-1: C10/CK10, C22/CK22, C35/CK35, C45/CK45, CF53,ST35,ST37,ST45,ST52,E235,E255,E355


JIS G4051: S10C, S20C, S25C, S35C, S45C, S55C

Alloy Steel:

GB/T 3094: 16Mn(Q345B), 20Cr, 40Cr, 15CrMo, 20CrMo, 28CrMo, 30CrMo, 35CrMo, 42CrMo, 20CrMnTi, 40MnMoV, 20Mn2, ZF6, 16MnCr5, 20MnCr5, 38Mn2V, 09CrCuSb(ND)

ASTM A519: 5120, 5140, 4130, 4135, 4140

DIN17121/EN 10297-1, DIN1629/DIN2391/EN 10305-1: ST52, EN10084-1998 20Cr4, 41Cr4, 15CrMo4, 25CrMo4, 35CrMo4, 42CrMo4, 16MnCr5

JIS3441/JIS3444/JIS3445: SCM432/SCRRM3, SCM4

JIS G4053: JIS SCr420, JIS SCr440, SCM415, SCM420

ToleranceCan be customized according to customer’s requirements
TechniqueCold Drawn / Cold Rolled
ShapeTriangle, Hexagon, Square, Rectangle, Octagon, Lemon Pipe and Others can be customized
Further Processing for Steel TubesCutting, Chamfer, Threading, Inner diameter or Outer Diameter Lathe, Surface Shot Blasting,etc

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